Manufacturer's Description:
Adapts any Free Jack head/pendant to Wilmette MonoRail system (included with all MonoRail heads and pendants).
INSTALLATION
Two-piece connector unscrews to install around MonoRail; Free Jack male
connector fits into bottom and twists to tighten.
OTHER INFORMATION
For use with any Free Jack pendant or head (sold separately). Note: MonoRail Free Jack Connectors are included with all MO-prefixed Free Jack
pendants and heads.